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Chapter 4 - AT Commands, S-Registers and Result Codes
COMMAND: $MB
n
VALUES: n = speed
DEFAULT: $MB33600 bps
DESCRIPTION:
$MB75 selects CCITT V.23 mode.
$MB300 selects 300 bps on-line.
$MB1200 selects 1200 bps on-line.
$MB2400 selects 2400 bps on-line.
$MB4800 selects 4800 bps on-line.
$MB9600 selects 9600 bps on-line.
$MB14400 selects 14400 bps on-line.
$MB19200 selects 19200 bps on-line.
$MB28800 selects 28800 bps on-line.
$MB33600 selects 33600 bps on-line.
COMMAND: N
d
VALUES: d = 0 thru 9
DEFAULT: n/a
DESCRIPTION:
Dial stored telephone number
“d”
(Do not
include the letter D in this command.)
COMMAND: N
d
N
e
VALUES: d = 0 thru 9; e = any other number 0 thru 9
DEFAULT: n/a
DESCRIPTION:
Number Linking. If first number dialed is
busy, another stored number may be
automatically dialed.
COMMAND: O
VALUES: n/a
DEFAULT: n/a
DESCRIPTION:
Exit Command Mode and go into On-Line Mode.
COMMAND: P
VALUES: n/a
DEFAULT: Tone Dial
DESCRIPTION:
Modem will pulse-dial numbers following the P.